raft cluster

wip: raft does not care about migrating

wip: optimize code

wip: raft election

wip

wip: fix raft leader missing log entries

wip

fix a dead lock

batch set slot route

wip: raft persist

wip

refactor cluster suite

remove relay

rename relay2

refactor: allow customizing client factory

test raft

refactor re-balance

avoid errors caused by inconsistent status on follower nodes during raft commits

test raft election

interface/redis/conn.go

@@ -4,6 +4,7 @@ package redis
 type Connection interface {
 	Write([]byte) (int, error)
 	Close() error
+	RemoteAddr() string
 
 	SetPassword(string)
 	GetPassword() string